80523797 has 2 divisors, whose sum is σ = 80523798. Its totient is φ = 80523796.

The previous prime is 80523787. The next prime is 80523799. The reversal of 80523797 is 79732508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75099556 + 5424241 = 8666^2 + 2329^2 .

It is a cyclic number.

It is not a de Polignac number, because 80523797 - 2¹⁰ = 80522773 is a prime.

Together with 80523799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80523799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40261898 + 40261899.

It is an arithmetic number, because the mean of its divisors is an integer number (40261899).

Almost surely, 2^80523797 is an apocalyptic number.

It is an amenable number.

80523797 is a deficient number, since it is larger than the sum of its proper divisors (1).

80523797 is an equidigital number, since it uses as much as digits as its factorization.

80523797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 80523797 is about 8973.5052794323. The cubic root of 80523797 is about 431.8252983728.

The spelling of 80523797 in words is "eighty million, five hundred twenty-three thousand, seven hundred ninety-seven".